Home / 87,664,231.89-120,976,781.73-48,507,659.01

Finding the Fourth Proportional to 87,664,231.89, 120,976,781.73 and 48,507,659.01

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Solution

The fourth proportional to 87,664,231.89, 120,976,781.73 and 48,507,659.01 is: 66,940,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,664,231.89 : 120,976,781.73 = 48,507,659.01 : x
  2. Step 2: Convert to fraction form
    87,664,231.89/120,976,781.73 = 48,507,659.01/x
  3. Step 3: Cross multiply
    87,664,231.89x = 120,976,781.73 × 48,507,659.01
  4. Step 4: Simplify right side
    87,664,231.89x = 5,868,300,476,286,038
  5. Step 5: Solve for x
    x = 5,868,300,476,286,038/87,664,231.89
  6. Step 6: Final answer
    x = 66,940,647.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.